An error occurred that prevented the installation from completing...
Updated: 2/08/2011
Article ID: SLN12129
This error appears when attempting to update TurboTax for Mac.
It can occur if you attempt to install a manual update when multiple instances of your TurboTax program are open.
Solution
To resolve this error, exit all TurboTax programs, and then install a manual update.
If the error persists, reinstall TurboTax and then try updating again.

